1. Department of Biomedical and Neuromotor Science-DIBINEM, 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, University of Bologna, Via Giulio Cesare Pupilli 1, 40136 Bologna, Italy
2. Medicine and Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli 1, 40136 Bologna, Italy
3. Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Via Giulio Cesare Pupilli 1, 40136 Bologna, Italy